The Leeds Teaching Hospitals NHS Trust

Renin Activity (PRA)

Renin Activity (PRA)

Renin is secreted from the kidney and converts angiotensinogen to angiotensin. The latter stimulates aldosterone production.

Tube Heparin
ID 12677
Availability Weekly
Additional Information Unexplained Hypertension
Turn Around 21 days
Send to Specialist Laboratory Medicine
Block 46
St James hospital
Beckett Street
Leeds
LS9 7TF
Contact 1132067043
Advice 01132064717, stephen.gibbons@nhs.net
Collection Con Renin is activated when on ice which invalidates the test. Send to the laboratory ASAP but NOT on ice. Please use a red bag to ensure prompt attention. NOTE the tube required for this test is heparin without gel. (Green and black top) EDTA tube also acceptable. Instructions for lab staff: Sample must be separated and frozen within 30 minutes of receipt.
Ref. Range (Male) 0.5-3.5
Ref. Range (Female) 0.5-3.5
Ref. Range (Paed) Values can be very high (>50) in the neonate
Ref. Range Notes Affected by age (decreased in the elderly), posture, state of hydration & electrolyte status.
Units nmol/L/h
IP Routine TAT 21 days, note if requesting both PRA and aldosterone, and only one sample is received, our quoted TAT is 30 days.
Telepath RENA2J
ICE Codes LRENA